(1) Existing law, operative as of January 1, 2024, will, in a case in which the party bearing the burden of proof proffers expert testimony regarding medical causation and the party's expert is required as a condition of testifying to opine that causation exists to a reasonable medical probability, allow the party not bearing the burden of proof to offer the testimony of a contrary expert only if the expert can testify that a proffered alternative cause exists to a reasonable medical probability or that a matter cannot meet a reasonable degree of probability in the applicable field, as specified.
(1) Existing law, operative as of January 1, 2024, will, in a case in which the party bearing the burden of proof proffers expert testimony regarding medical causation and the party's expert is required as a condition of testifying to opine that causation exists to a reasonable medical probability, allow the party not bearing the burden of proof to offer the testimony of a contrary expert only if the expert can testify that a proffered alternative cause exists to a reasonable medical probability or that a matter cannot meet a reasonable degree of probability in the applicable field, as specified.
Version chain
The bill's text revisions, in order — the diff chain from filing to enrollment.
Unfinished Business SB135 B. & F.R. (Skinner) Concurrence — 31–8 (pass) · upper
SB 135 Budget and Fiscal Review Senate Third Reading By TING — 58–16 (pass) · lower
Sponsors
Committee on Budget and Fiscal Review — primary (person)
Timeline
The legislative action history — every referral, reading, and vote.
2023-01-18 Introduced. Read first time. To Com. on RLS. for assignment. To print. introduction, reading-1
2023-01-19 From printer. May be acted upon on or after February 18.
2023-01-25 Referred to Com. on B. & F.R. referral-committee
2023-03-16 Withdrawn from committee. (Ayes 28. Noes 8. Page 357.)
2023-03-16 Ordered to second reading.
2023-03-20 Read second time. Ordered to third reading. reading-1, reading-2
2023-03-27 Read third time. Passed. (Ayes 29. Noes 8. Page 497.) Ordered to the Assembly. passage, reading-1, reading-3
2023-03-27 In Assembly. Read first time. Held at Desk. reading-1
2023-03-30 Referred to Com. on BUDGET. referral-committee
2023-08-28 From committee with author's amendments. Read second time and amended. Re-referred to Com. on BUDGET. amendment-passage, committee-passage, reading-1, reading-2, referral-committee
2023-09-06 Assembly Rule 96 suspended.
2023-09-06 Withdrawn from committee. (Ayes 61. Noes 17. Page 2953.)
2023-09-06 Ordered to second reading.
2023-09-07 Read second time. Ordered to third reading. reading-1, reading-2
2023-09-08 Read third time. Passed. (Ayes 58. Noes 16. Page 3102.) Ordered to the Senate. passage, reading-1, reading-3
2023-09-08 In Senate. Concurrence in Assembly amendments pending.
2023-09-11 Assembly amendments concurred in. (Ayes 31. Noes 8. Page 2569.) Ordered to engrossing and enrolling. amendment-passage, committee-passage-favorable
2023-09-12 Enrolled and presented to the Governor at 11:30 a.m.
2023-09-13 Approved by the Governor. executive-signature
2023-09-13 Chaptered by Secretary of State. Chapter 190, Statutes of 2023. became-law
Source
OpenStates / OpenCivicData bulk snapshot 2026-07-01; origin ocd-bill/dcd3a1b0-4036-41ba-a044-e35777ab7260. Confidence: reported (aggregated from official California legislature records).